Home / 113,385.28-170,102.40-34,505.68

Finding the Fourth Proportional to 113,385.28, 170,102.40 and 34,505.68

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Solution

The fourth proportional to 113,385.28, 170,102.40 and 34,505.68 is: 51,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,385.28 : 170,102.40 = 34,505.68 : x
  2. Step 2: Convert to fraction form
    113,385.28/170,102.40 = 34,505.68/x
  3. Step 3: Cross multiply
    113,385.28x = 170,102.40 × 34,505.68
  4. Step 4: Simplify right side
    113,385.28x = 5,869,498,981.63
  5. Step 5: Solve for x
    x = 5,869,498,981.63/113,385.28
  6. Step 6: Final answer
    x = 51,765.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.